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Course Description Provides additional instruction on wiring practices in accordance with the National Electrical Code. Topics include: residential single family service calculations, residential two-family service calculations, load balancing, sub-panels and feeders, residential single-family service installation, residential two-family service installation, concepts of TV and CATV installation, swimming pool installation, and remote control of lighting and intercom installation. | Competency Areas | Hours | | Residential Single Family Service Calculations | Class | 5 | | Residential Two-Family Service Calculations | D. Lab | 0 | | Load Balancing | P. Lab/O.B.I. | 3 | | Sub-Panels and Feeders | Credit | 6 | | Residential Single-Family Service Installation | | | | Residential Two-Family Service Installation | | | | Concepts of TV and CATV Installation, Swimming Pool Installation, and Remote Control | | | | Lighting and Intercom Installation | | |
| Prerequisite: | None | | Corequisite: | ELT 120 | Course Guide | Competency | After completing this section, the student will: | | Residential Single Family Service Calculations | | Service rating | Calculate minimum rating IAW NEC | | Service conductors | Choose proper type and size IAW NEC | | Residential Two-Family Service Calculations | | Service rating | Determine minimum size IAW NEC
owner options | | Service conductors | Determine proper type and size in accordance with the service type chosen | | Load Balancing | | Computed loads | Determine 120v and 240v loads | | Neutral load | Calculate unbalanced loads | | Ungrounded loads | Balance loads phase to phase | | Sub-Panels and Feeders | | Feeders | Size properly and choose style and type according to the NEC | | Sub-panel | If uses, determine the size/rating to NEC requirements | | Residential Single-Family Service Installation | | Service entrances | Identify service entrance types | | Service panel installation | Install service panel in residence according to service type chosen | | NEC requirements | Comply with the NEC on installation and grounding | | Residential Two-Family Service Installation | | Service entrances | Identify service entrances for two family dwellings | | Service panel installation | Install service panels for two family dwellings | | NEC requirements | Comply with the NEC on service installations
Comply with the NEC on grounding requirements | | Device boxes | Determine height, depth, and location of device boxes
Install device boxes | | Concepts of TV and CATV Installation, Swimming Pool Installation, and Remote Control Lighting and Intercom Installation | | TV and CATV installation | Discuss requirements for TV and CATV installations
Install CATV outlets and coaxial terminals
Install CATV splitters
Apply NEC requirements for TV and CATV installations | | Swimming pool installation | Discuss swimming pool installations
Install proper grounding for swimming pools
Discuss electrical shock hazards
Install and connect pool pump motor
Discuss NEC requirements for swimming pools, spas, hot tubs, and hydromassage bathtubs | | Remote control lighting | Connect and install low voltage relays
Connect and install low voltage lighting systems
Connect and install 120V-24V step down transformers
Connect and install intercom system |
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